St Johns Street is in Porth and in Rhondda Cynon Taff district. CF39 9LA is located in the Cymer electoral ward, within the English Parliamentary constituency of Rhondda. This postcode has been in use since 1980-01-01.
StreetScan combines information about St Johns Street, Porth, CF39 9LA and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF39 9LL, CF39 9HT, CF39 9LH, CF39 9LF, CF39 9HS, CF39 9LW, CF39 9HY, CF39 9LB, CF39 9HW.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CF39 9LA is primarily male, with 53.4% of the population being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.7% | 46.6% | -5.1% | 51.0% | -4.4% |
| Male | 48.3% | 53.4% | 5.1% | 49.0% | 4.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 29.9% | 37.9% | 8.0% | 37.9% | 0.0% |
| Married: Opposite sex | 54.8% | 49.3% | -5.5% | 44.2% | 5.1% |
| Separated | 1.7% | 1.3% | -0.4% | 2.2% | -0.9% |
| Divorced | 4.1% | 4.8% | 0.7% | 9.1% | -4.3% |
| Widowed | 9.5% | 6.6% | -2.9% | 6.1% | 0.5% |
Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.
Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 46.6% | 47.6% | 1.0% | 48.4% | -0.8% |
| Good health | 31.3% | 36.3% | 5.0% | 33.6% | 2.7% |
| Fair health | 13.9% | 9.9% | -4.0% | 12.7% | -2.8% |
| Bad health | 7.1% | 4.8% | -2.3% | 4.0% | 0.8% |
| Very bad health | 1% | 1.4% | 0.4% | 1.2% | 0.2% |
During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 31.5% | 18.9% | -12.6% | 18.2% | 0.7% |
| 1-4 GCSEs or Equivalent | 14.5% | 8.3% | -6.2% | 9.6% | -1.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 17% | 19.7% | 2.7% | 13.4% | 6.3% |
| Apprenticeship | 5% | 4.8% | -0.2% | 5.3% | -0.5% |
| HNC, HND or 2+ A Levels | 14.5% | 19.3% | 4.8% | 16.9% | 2.4% |
| Degree or Similar | 12.4% | 26.3% | 13.9% | 33.8% | -7.5% |
| Other | 5% | 2.6% | -2.4% | 2.8% | -0.2% |
In this area, the population is predominantly white, with 99.7% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 0% | 0.3% | 0.3% | 1.1% | -0.8% |
| White | 100% | 99.7% | -0.3% | 81.4% | 18.3% |
In this area, 99.3% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 99.7% | 99.3% | -0.4% | 83.2% | 16.1% |
| European Union | 0.3% | 0.7% | 0.4% | 6.1% | -5.4% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 99.3% | 99.3% | 0.0% | 83.2% | 16.1% |
| 10+ Years | 0% | 0.7% | 0.7% | 9.8% | -9.1% |
| Less than 2 years | 0.7% | 0% | -0.7% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 89.7% | 76.7% | 13.0% |
| No passport held | 10.3% | 13.5% | -3.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 59% | 37.2% | 21.8% |
| Christian | 35.2% | 46.2% | -11.0% |
| Muslim | 0.3% | 6.5% | -6.2% |
| Other religion | 0.3% | 0.6% | -0.3% |
| Not answered | 5.2% | 6.0% | -0.8% |
Over the last 12 months, the overall crime rate around St Johns Street was 26.8 per 1,000 residents, which is 72.5% lower than the Cymer average. The most reported crime type was Violence and sexual offences.
St Johns Street has the 13th lowest crime rate of 85 local areas in Cymer and the 142nd lowest crime rate of 797 local areas in Rhondda Cynon Taf .
Violent and sexual offences accounted for around 10.0 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -54.0%.

Households in this area have a much lower level of wealth compared to the average household in England and Wales. 96% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 17 St Johns Street, Porth, Rhondda Cynon Taff Terraced, an established residential building | £165,000 | 2024-05-15 | £172,890 |
| 7 St Johns Street, Porth, Rhondda Cynon Taff Terraced, an established residential building | £110,000 | 2021-06-03 | £130,141 |
| 9 St Johns Street, Porth, Rhondda Cynon Taff Terraced, an established residential building | £90,000 | 2020-04-02 | £129,415 |
| 17 St Johns Street, Porth, Rhondda Cynon Taff Terraced, an established residential building | £99,000 | 2019-07-11 | £142,968 |
| 4 St Johns Street, Porth, Rhondda Cynon Taff Terraced, an established residential building | £90,000 | 2019-02-12 | £135,605 |
CF39 9LA area has a low unemployment rate. According to Census 2021, 2% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
| Full-Time Employee | 98 |
| Retired | 56 |
| Part-Time Employee | 28 |
| Self-Employed | 17 |
| Long-Term Sick or disabled | 11 |
| Looking after home or family | 6 |
| Full-Time Student (with or without job) | 5 |
| Student (economically inactive) | 4 |
| Unemployed | 4 |
| Other | 0 |
| Human health and social work activities | 21 |
| Education | 20 |
| Manufacturing | 18 |
| Construction | 15 |
| Public administration and defence; compulsory social security | 14 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 14 |
| Other | 8 |
| Accommodation and food service activities | 7 |
| Financial and insurance activities | 6 |
| Professional, scientific and technical activities | 4 |
| Information and communication | 4 |
| Administrative and support service activities | 3 |
| Electricity, gas, steam and air conditioning supply | 2 |
| Transport and storage | 1 |
| Real estate activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Gyfun Cymer Rhondda Heol Graigwen , Cymmer CF39 9HA | - not rated | 523 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol G. G. Llwyncelyn Ffordd Y Grug , Llwyncelyn CF39 9TL | - not rated | 682 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Porth Community School Cemetery Road , CF39 0BS | - not rated | 1,371 yd | Welsh establishment | Not Applicable | More About School | |
| Hafod Primary School Wayne Street , Trehafod CF37 2NL | - not rated | 1,922 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ynyshir Primary School Llanwonno Road , Ynyshir CF39 0HU | - not rated | 1,943 yd | Welsh establishment | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Factory | Welsh Hills Works, Jenkin Street | 310 yd | |
| Yr Hen Lyfrgell Porth | 47 Pontypridd Road | 357 yd | |
| Orb Shop & Cafe | 46 Hannah Street | 425 yd | |
| Daffodil's Tea Rooms | 30 Hannah Street | 449 yd | |
| Empire Cafe | 74 Pontypridd Road | 538 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Colliers Arms | Glynfach Road | 215 yd | |
| Cymmer Workmens Club and Institute | Office Street | 282 yd | |
| Nedda's Bar Ltd | 20-25 Hannah Street | 436 yd | |
| Llwyncelyn Hotel | North Road | 534 yd | |
| Wyndham Constitutional Club | 69 Cymmer Road | 689 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Cymmer Fish Bar | 44 High Street | 279 yd | |
| Ying Kitchen | 3 River Terrace | 390 yd | |
| Porth Indian Takeaway | 55 Hannah Street | 425 yd | |
| Taste of India / Porth Grill and Fry | 54 Hannah Street | 425 yd | |
| Mr Chippy | 39 Hannah Street | 436 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Morrisons | Pontypridd Road | 419 yd | |
| Aldi Stores Ltd | Cymmer Road | 919 yd |
This statistics are based on Active Places Data - Contains Data © Sport England
| Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 0.0% |
| Percentage of premises unable to receive 2Mbit/s | 0.0% |
| Percentage of premises unable to receive 5Mbit/s | 0.0% |
| Percentage of premises unable to receive 10Mbit/s | 0.0% |
| Percentage of premises unable to receive 30Mbit/s | 0.0% |
| Median download speed | 73.3 Mbit/s |
| Average download speed | 62.4 Mbit/s |
| Minimum download speed | 79.98 Mbit/s |
| Maximum download speed | 79.98 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 16.1 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.